G01N 30/72
Mass spectrometers
Official title: Mass spectrometers {(mass spectrometers per se H01J49/00)}
G01N30/72 (Mass spectrometers) appears on 2,295 US grants and 3,150 published applications in this corpus.
Search patents in G01N- Granted patents
- 2,295
- Published applications
- 3,150
- Assignees
- 1,170
- Inventors
- 5,679
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 29 | 0 |
| 1993 | 14 | 0 |
| 1994 | 20 | 0 |
| 1995 | 18 | 0 |
| 1996 | 18 | 0 |
| 1997 | 18 | 0 |
| 1998 | 14 | 0 |
| 1999 | 11 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 17 |
| 2002 | 27 | 43 |
| 2003 | 30 | 46 |
| 2004 | 34 | 66 |
| 2005 | 27 | 51 |
| 2006 | 29 | 49 |
| 2007 | 30 | 40 |
| 2008 | 15 | 53 |
| 2009 | 30 | 57 |
| 2010 | 29 | 66 |
| 2011 | 47 | 83 |
| 2012 | 42 | 67 |
| 2013 | 60 | 91 |
| 2014 | 70 | 123 |
| 2015 | 73 | 130 |
| 2016 | 90 | 142 |
| 2017 | 98 | 164 |
| 2018 | 117 | 182 |
| 2019 | 151 | 200 |
| 2020 | 147 | 213 |
| 2021 | 153 | 218 |
| 2022 | 187 | 260 |
| 2023 | 144 | 222 |
| 2024 | 175 | 236 |
| 2025 | 130 | 187 |
| 2026 | 111 | 144 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermal analysis system6 Oct 2026US 12,754,111 B2Shimadzu Corporation
- Platforms, systems, and methods for rapid fermenter sampling6 Oct 2026US 12,755,814 B2X Development LLC
- Method for analyzing protein29 Sep 2026US 12,747,465 B2Hitachi, Ltd.
- Flow module selector29 Sep 2026US 12,748,083 B2Dh Co., Ltd.
- Charge detection mass spectrometry using multiple accumulation events22 Sep 2026US 12,742,754 B2Thermo Finnigan LLC
- Propane-position carbon isotope testing method and testing system8 Oct 2026US 2026/0309682 A1China Petroleum & Chemical Corporation
- Rapid and Sensitive Methods of Forensic Toxicology in Post-Mortem Individuals Using Oral Fluid and Muscle Tissue8 Oct 2026US 2026/0309727 A1
- Quantitative Analysis of Polysorbate Oxidation1 Oct 2026US 2026/0298885 A1
- Method for measuring chlorinated paraffin1 Oct 2026US 2026/0298888 A1Shimadzu Corporation
- Signal amplification for mass detection1 Oct 2026US 2026/0298889 A1Donald Danforth Plant Science Center
Most cited
By later US patents
- Microscale fluid handling system662US 5,872,010 ANortheastern University · 1999
- Miniaturized mass spectrometer system529US 5,313,061 AViking Instrument · 1994
- Integrated planar liquid handling system for maldi-TOF MS258US 5,705,813 AHewlett-Packard Company · 1998
- Process and device for the laser desorption of an analyte molecular ions, especially of biomolecules207US 5,118,937 AFinnigan Mat GmbH · 1992
- Insulated needle for forming an electrospray201US 5,223,226 AMillipore Corporation · 1993